Dallas police this week arrested a 60-year-old man in connection to a 38-year-old chilly homicide case.
Mary Jane Thompson, 21, was discovered lifeless in Dallas in 1984.
Police solved the case utilizing forensic genetic family tree evaluation with DNA taken throughout her post-mortem.
Police in Texas arrested a person in a 38-year-old chilly homicide case with assist from the identical DNA know-how that was used to establish California’s infamous “Golden State Killer.”
Edward Morgan, 60, was arrested Friday and charged with capital homicide associated to the dying of Mary Jane Thompson, the Dallas County District Lawyer mentioned in a statement. Thompson, who was 21, was discovered behind a warehouse in Dallas on February 13, 1984, having been sexually assaulted and murdered.
The Dallas Police Division reopened the case in 2009 and performed DNA testing utilizing samples collected throughout her post-mortem. DNA belonging to a person was recognized however couldn’t be matched to a selected individual and the case once more went chilly.
The case was reopened in 2018 to attempt new sorts of testing, with the FBI becoming a member of the investigation in 2020, and was submitted for forensic genetic family tree evaluation, the identical testing used to establish Joseph DeAngelo, often known as the Golden State Killer. DeAngelo pleaded responsible in 2020 to a string of rapes and murders relationship again to the Nineteen Seventies and was sentenced to life in jail.
Such testing sometimes entails evaluating DNA samples to ancestry or family tree databases when a match would not seem within the FBI’s system.
Officers didn’t say how precisely Morgan was recognized as a suspect, however further DNA testing this week confirmed he was a match for the DNA collected throughout Thompson’s post-mortem, the district lawyer’s workplace mentioned.
In a statement, Dallas County Assistant District Lawyer Leighton D’Antoni praised the a number of legislation enforcement businesses who labored on cracking Thompson’s case.
“Working collectively, we proceed to resolve probably the most tough chilly circumstances that Dallas has ever seen,” he mentioned.
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